Fix PT-2024PC support and some minor cleanup

[ptouch-print] / src / libptouch.c

diff --git a/src/libptouch.c b/src/libptouch.c
index df88e92ead4b6ebd46085c7546bd156903399294..83c7a2356f799e605a18878da9e7ceee4299f09d 100644 (file)
--- a/src/libptouch.c
+++ b/src/libptouch.c
@@ -32,19 +32,21 @@
 
 #define _(s) gettext(s)
 
-struct _pt_tape_info tape_info[6]= {
-       {6, 32},        /* 6mm tape is 32px wide? works for me ;-) */
-       {9, 52},        /* 9mm tape is 52px wide? works for me ;-) */
-       {12,76},        /* and 76px work for me on a 12mm tape - maybe its only 64px */
-       {18,120},
-       {24,128},
-       {0,0}           /* terminating entry */
+/* Print area width in 180 DPI pixels */
+struct _pt_tape_info tape_info[]= {
+       { 6, 32},       /* 6 mm tape */
+       { 9, 53},       /* 9 mm tape */
+       {12, 75},       /* 12 mm tape */
+       {18, 117},      /* 18 mm tape */
+       {24, 128},      /* 24 mm tape */
+       {36, 192},      /* 36 mm tape */
+       { 0, 0}         /* terminating entry */
 };
 
 struct _pt_dev_info ptdevs[] = {
-       {0x04f9, 0x202d, "PT-2430PC", 128, FLAG_NONE},  /* 180dpi, maximum 128px */
-       {0x04f9, 0x2007, "PT-2420PC", 128, FLAG_NONE},  /* maximum tape width 24mm, unknown how much pixels, untested so far */
-       {0x04f9, 0x202c, "PT-1230PC", 76, FLAG_NONE},   /* 180dpi, supports tapes up to 12mm - I don't know how much pixels it can print! */
+       {0x04f9, 0x202d, "PT-2430PC", 128, FLAG_NONE},          /* 180dpi, maximum 128px */
+       {0x04f9, 0x2007, "PT-2420PC", 128, FLAG_FORCE_TIFF},    /* 180dpi, 128px, maximum tape width 24mm, must send TIFF compressed pixel data */
+       {0x04f9, 0x202c, "PT-1230PC", 76, FLAG_NONE},           /* 180dpi, supports tapes up to 12mm - I don't know how much pixels it can print! */
        {0x04f9, 0x2061, "PT-P700", 120, FLAG_UNSUP_RASTER},    /* DOES NOT WORK */
        {0x04f9, 0x2073, "PT-D450VP", 120, FLAG_UNSUP_RASTER},  /* DOES NOT WORK */
        /* Notes about the PT-D450VP: Tape detecting works, but printing does
@@ -151,7 +153,7 @@ int ptouch_init(ptouch_dev ptdev)
 
 int ptouch_rasterstart(ptouch_dev ptdev)
 {
-       char cmd[]="\x1b\x69\x52\x01";  /* 1B 69 52 01 = RASTER DATA */
+       char cmd[] = "\x1b\x69\x52\x01";        /* 1B 69 52 01 = Select graphics transfer mode = Raster */
        return ptouch_send(ptdev, (uint8_t *)cmd, strlen(cmd));
 }
 
@@ -284,21 +286,31 @@ int ptouch_getstatus(ptouch_dev ptdev)
 
 int ptouch_getmaxwidth(ptouch_dev ptdev)
 {
-       /* TODO: should also check what the device supports. but I assume,
-          you can't use a large tape in a printe that doesn't support it anyways */
        return ptdev->tape_width_px;
 }
 
 int ptouch_sendraster(ptouch_dev ptdev, uint8_t *data, int len)
 {
-       uint8_t buf[32];
+       uint8_t buf[70];
+       int rc;
+
+       if (len > ptdev->devinfo->max_px / 8) {
+               return -1;
+       }
 
-       if (len > 16) {         /* PT-2430PC can not print more than 128 px */
-               return -1;      /* as we support more devices, we need to check */
-       }                       /* how much pixels each device support */
        buf[0]=0x47;
-       buf[1]=len;
-       buf[2]=0;
-       memcpy(buf+3, data, len);
-       return ptouch_send(ptdev, buf, len+3);
+       if (ptdev->devinfo->flags & FLAG_FORCE_TIFF) {
+               /* Fake compression by encoding a single uncompressed run */
+               buf[1] = len + 1;
+               buf[2] = 0;
+               buf[3] = len - 1;
+               memcpy(buf + 4, data, len);
+               rc = ptouch_send(ptdev, buf, len + 4);
+       } else {
+               buf[1] = len;
+               buf[2] = 0;
+               memcpy(buf + 3, data, len);
+               rc = ptouch_send(ptdev, buf, len + 3);
+       }
+       return rc;
 }